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From: Thomas Alexander Gerds <tag@biostat.ku.dk>
To: Bastien <bzg@gnu.org>
Cc: emacs-orgmode@gnu.org
Subject: Re: minor bug in babel with silent output and remote R session
Date: Tue, 09 Apr 2013 10:13:10 +0200	[thread overview]
Message-ID: <grb6158v4sgm09.fsf@linuxifsv005.sund.root.ku.dk> (raw)
In-Reply-To: <87ppy6sq69.fsf@bzg.ath.cx> (Bastien's message of "Sun, 7 Apr 2013 09:45:05 +0200")

Hi Bastien

I think that I can describe the problem a bit better now. It is not
related to the silent option but occurs whenever ":results value".

Emacs freezes due to the following line in

(while (not (file-exists-p file)) (sit-for (or period 0.25)))

it seems that R cannot transfer the file and hence this is an endless

it may be possible to fix this using tramp, e.g. by setting the
default-directory in the buffer which runs the remote-session, or by
adding a more thorough check of whether the R-session is remote.

to this end let me note that there are at least two ways to start a
remote R session in emacs:

1) M-x shell
2) M-x ssh via ssh.el (not part of emacs)


Bastien <bzg@gnu.org> writes:

> Hi Thomas,
> Thomas Alexander Gerds <tag@biostat.ku.dk> writes:
>> Using the silent option together with a remote R session block
>> (started via ssh.el and ess-remote), like this:
>> #+BEGIN_SRC R :results silent :exports results :session *ssh gauss*
>> :cache yes a=1 1 #+END_SRC
>> produces:
>> ,----
>> | > > > [1] 1 Warning message:
>> | In file.rename(tfile, transfer.file) : cannot rename file
>> | /tmp/RtmpQwlyCf/file7c9b78867f6c' to
>> | /tmp/babel-4977UIT/R-4977ucf', reason 'No such file or directory'
>> | >
>> `----
>> and emacs freezes. No big deal because C-g gets me out of it, but
>> slightly annoying.
>> with `:results output' instead of `:results: silent' everything
>> works fine.
> Please let us know if the documentation* needs some clarification
> here, or if this is a bug -- maybe someone will have time to look at
> it.
> Thanks,
> * Better to check against the latest documentation from our master
> branch, of course.
Thomas A. Gerds -- Assoc. Prof. Department of Biostatistics
University of Copenhagen, Øster Farimagsgade 5, 1014 Copenhagen, Denmark
Office: CSS-15.2.07 (Gamle Kommunehospital)
tel: 35327914 (sec: 35327901) 

  parent reply	other threads:[~2013-04-09  8:13 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-03-13  7:49 minor bug in babel with silent output and remote R session Thomas Alexander Gerds
2013-03-13 15:11 ` Eric Schulte
2013-03-13 16:29   ` Thomas Alexander Gerds
2013-04-07  7:45 ` Bastien
2013-04-07  8:42   ` Achim Gratz
2013-04-09  8:13   ` Thomas Alexander Gerds [this message]
2013-04-10 12:44     ` Bastien
2013-04-12 21:57       ` Eric Schulte
2013-04-14  9:50         ` Thomas Alexander Gerds
2013-04-14 15:23           ` Eric Schulte
2013-04-15 12:56             ` Thomas Alexander Gerds
2013-04-15 12:34     ` Andreas Leha

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